./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31801b0d0a8db366707af3e7371b9dc02f7c34625c63f4c3f856015d4449b4b2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:25:56,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:25:56,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:25:56,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:25:56,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:25:56,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:25:56,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:25:56,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:25:56,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:25:56,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:25:56,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:25:56,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:25:56,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:25:56,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:25:56,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:25:56,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:25:56,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:25:56,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:25:56,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:25:56,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:25:56,733 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:25:56,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:25:56,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:25:56,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:25:56,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:25:56,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:25:56,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:25:56,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:25:56,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:25:56,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:25:56,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:25:56,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:25:56,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:25:56,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:25:56,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:25:56,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:25:56,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:25:56,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:25:56,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:25:56,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:25:56,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:25:56,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:25:56,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:25:56,793 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:25:56,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:25:56,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:25:56,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:25:56,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:25:56,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:25:56,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:25:56,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:25:56,797 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:25:56,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:25:56,798 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:25:56,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:25:56,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:25:56,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:25:56,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:25:56,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:25:56,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:25:56,799 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:25:56,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:25:56,800 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:25:56,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:25:56,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:25:56,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:25:56,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:25:56,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:25:56,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:25:56,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:25:56,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:25:56,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:25:56,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:25:56,809 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:25:56,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:25:56,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:25:56,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31801b0d0a8db366707af3e7371b9dc02f7c34625c63f4c3f856015d4449b4b2 [2022-07-19 17:25:57,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:25:57,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:25:57,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:25:57,107 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:25:57,107 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:25:57,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2022-07-19 17:25:57,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3618b64b1/9bbb373757724a6a97c4c72027b85466/FLAGa9feb5f3f [2022-07-19 17:25:57,586 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:25:57,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2022-07-19 17:25:57,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3618b64b1/9bbb373757724a6a97c4c72027b85466/FLAGa9feb5f3f [2022-07-19 17:25:57,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3618b64b1/9bbb373757724a6a97c4c72027b85466 [2022-07-19 17:25:57,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:25:57,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:25:57,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:25:57,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:25:57,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:25:57,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:25:57" (1/1) ... [2022-07-19 17:25:57,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d7309aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:57, skipping insertion in model container [2022-07-19 17:25:57,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:25:57" (1/1) ... [2022-07-19 17:25:57,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:25:57,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:25:57,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c[17098,17111] [2022-07-19 17:25:57,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:25:57,917 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:25:57,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c[17098,17111] [2022-07-19 17:25:57,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:25:58,010 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:25:58,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:58 WrapperNode [2022-07-19 17:25:58,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:25:58,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:25:58,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:25:58,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:25:58,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:58" (1/1) ... [2022-07-19 17:25:58,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:58" (1/1) ... [2022-07-19 17:25:58,056 INFO L137 Inliner]: procedures = 57, calls = 159, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 262 [2022-07-19 17:25:58,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:25:58,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:25:58,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:25:58,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:25:58,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:58" (1/1) ... [2022-07-19 17:25:58,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:58" (1/1) ... [2022-07-19 17:25:58,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:58" (1/1) ... [2022-07-19 17:25:58,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:58" (1/1) ... [2022-07-19 17:25:58,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:58" (1/1) ... [2022-07-19 17:25:58,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:58" (1/1) ... [2022-07-19 17:25:58,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:58" (1/1) ... [2022-07-19 17:25:58,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:25:58,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:25:58,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:25:58,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:25:58,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:58" (1/1) ... [2022-07-19 17:25:58,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:25:58,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:25:58,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 17:25:58,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 17:25:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:25:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-19 17:25:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-19 17:25:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:25:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:25:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:25:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:25:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:25:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:25:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:25:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:25:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-19 17:25:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-19 17:25:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-19 17:25:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-19 17:25:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:25:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:25:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:25:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:25:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:25:58,225 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:25:58,227 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:25:58,557 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:25:58,563 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:25:58,564 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:25:58,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:25:58 BoogieIcfgContainer [2022-07-19 17:25:58,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:25:58,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:25:58,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:25:58,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:25:58,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:25:57" (1/3) ... [2022-07-19 17:25:58,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2af85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:25:58, skipping insertion in model container [2022-07-19 17:25:58,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:58" (2/3) ... [2022-07-19 17:25:58,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2af85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:25:58, skipping insertion in model container [2022-07-19 17:25:58,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:25:58" (3/3) ... [2022-07-19 17:25:58,578 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2022-07-19 17:25:58,595 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:25:58,595 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:25:58,646 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:25:58,651 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7f9c6644, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4ae38ac0 [2022-07-19 17:25:58,652 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:25:58,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 74 states have (on average 1.364864864864865) internal successors, (101), 83 states have internal predecessors, (101), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-19 17:25:58,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-19 17:25:58,666 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:25:58,667 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:25:58,667 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:25:58,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:25:58,672 INFO L85 PathProgramCache]: Analyzing trace with hash 694872208, now seen corresponding path program 1 times [2022-07-19 17:25:58,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:25:58,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287070039] [2022-07-19 17:25:58,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:25:58,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:25:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:58,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 17:25:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:58,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:25:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:58,931 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:25:58,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:25:58,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287070039] [2022-07-19 17:25:58,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287070039] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:25:58,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:25:58,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:25:58,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276110305] [2022-07-19 17:25:58,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:25:58,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:25:58,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:25:58,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:25:58,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:25:58,964 INFO L87 Difference]: Start difference. First operand has 98 states, 74 states have (on average 1.364864864864865) internal successors, (101), 83 states have internal predecessors, (101), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:25:58,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:25:58,998 INFO L93 Difference]: Finished difference Result 187 states and 252 transitions. [2022-07-19 17:25:58,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:25:59,000 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-19 17:25:59,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:25:59,013 INFO L225 Difference]: With dead ends: 187 [2022-07-19 17:25:59,013 INFO L226 Difference]: Without dead ends: 89 [2022-07-19 17:25:59,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:25:59,019 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:25:59,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:25:59,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-07-19 17:25:59,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-07-19 17:25:59,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 75 states have internal predecessors, (87), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-19 17:25:59,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2022-07-19 17:25:59,067 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 114 transitions. Word has length 32 [2022-07-19 17:25:59,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:25:59,068 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-07-19 17:25:59,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:25:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2022-07-19 17:25:59,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-19 17:25:59,071 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:25:59,071 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:25:59,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:25:59,072 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:25:59,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:25:59,073 INFO L85 PathProgramCache]: Analyzing trace with hash -778098819, now seen corresponding path program 1 times [2022-07-19 17:25:59,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:25:59,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77696036] [2022-07-19 17:25:59,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:25:59,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:25:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:59,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 17:25:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:59,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:25:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:59,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:25:59,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:25:59,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77696036] [2022-07-19 17:25:59,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77696036] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:25:59,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:25:59,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:25:59,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990604917] [2022-07-19 17:25:59,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:25:59,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:25:59,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:25:59,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:25:59,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:25:59,210 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:25:59,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:25:59,236 INFO L93 Difference]: Finished difference Result 138 states and 176 transitions. [2022-07-19 17:25:59,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:25:59,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-07-19 17:25:59,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:25:59,239 INFO L225 Difference]: With dead ends: 138 [2022-07-19 17:25:59,241 INFO L226 Difference]: Without dead ends: 80 [2022-07-19 17:25:59,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:25:59,245 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 17 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:25:59,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:25:59,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-07-19 17:25:59,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-07-19 17:25:59,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 69 states have internal predecessors, (80), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-19 17:25:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 102 transitions. [2022-07-19 17:25:59,262 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 102 transitions. Word has length 33 [2022-07-19 17:25:59,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:25:59,263 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 102 transitions. [2022-07-19 17:25:59,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:25:59,263 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 102 transitions. [2022-07-19 17:25:59,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-19 17:25:59,264 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:25:59,264 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:25:59,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:25:59,265 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:25:59,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:25:59,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1811500472, now seen corresponding path program 1 times [2022-07-19 17:25:59,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:25:59,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601580358] [2022-07-19 17:25:59,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:25:59,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:25:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:59,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:25:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:59,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:25:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:59,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:25:59,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:25:59,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601580358] [2022-07-19 17:25:59,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601580358] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:25:59,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:25:59,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:25:59,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584436392] [2022-07-19 17:25:59,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:25:59,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:25:59,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:25:59,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:25:59,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:25:59,369 INFO L87 Difference]: Start difference. First operand 80 states and 102 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 17:25:59,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:25:59,456 INFO L93 Difference]: Finished difference Result 199 states and 258 transitions. [2022-07-19 17:25:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 17:25:59,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-07-19 17:25:59,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:25:59,459 INFO L225 Difference]: With dead ends: 199 [2022-07-19 17:25:59,462 INFO L226 Difference]: Without dead ends: 127 [2022-07-19 17:25:59,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 17:25:59,464 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 163 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:25:59,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 350 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:25:59,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-07-19 17:25:59,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2022-07-19 17:25:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 105 states have internal predecessors, (125), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 13 states have call predecessors, (18), 17 states have call successors, (18) [2022-07-19 17:25:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2022-07-19 17:25:59,486 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 38 [2022-07-19 17:25:59,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:25:59,487 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2022-07-19 17:25:59,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 17:25:59,487 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2022-07-19 17:25:59,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-19 17:25:59,489 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:25:59,489 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:25:59,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:25:59,490 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:25:59,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:25:59,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1858694344, now seen corresponding path program 1 times [2022-07-19 17:25:59,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:25:59,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869597546] [2022-07-19 17:25:59,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:25:59,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:25:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:59,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-19 17:25:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:59,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 17:25:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-19 17:25:59,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:25:59,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869597546] [2022-07-19 17:25:59,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869597546] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:25:59,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:25:59,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:25:59,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106539707] [2022-07-19 17:25:59,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:25:59,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:25:59,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:25:59,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:25:59,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:25:59,608 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:25:59,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:25:59,765 INFO L93 Difference]: Finished difference Result 288 states and 383 transitions. [2022-07-19 17:25:59,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 17:25:59,766 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-07-19 17:25:59,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:25:59,768 INFO L225 Difference]: With dead ends: 288 [2022-07-19 17:25:59,768 INFO L226 Difference]: Without dead ends: 172 [2022-07-19 17:25:59,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:25:59,770 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 50 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:25:59,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 487 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:25:59,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-07-19 17:25:59,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 162. [2022-07-19 17:25:59,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 123 states have (on average 1.2682926829268293) internal successors, (156), 133 states have internal predecessors, (156), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (27), 20 states have call predecessors, (27), 21 states have call successors, (27) [2022-07-19 17:25:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 204 transitions. [2022-07-19 17:25:59,792 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 204 transitions. Word has length 41 [2022-07-19 17:25:59,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:25:59,793 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 204 transitions. [2022-07-19 17:25:59,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:25:59,793 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 204 transitions. [2022-07-19 17:25:59,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-19 17:25:59,795 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:25:59,795 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:25:59,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:25:59,796 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:25:59,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:25:59,796 INFO L85 PathProgramCache]: Analyzing trace with hash -873577577, now seen corresponding path program 1 times [2022-07-19 17:25:59,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:25:59,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618100695] [2022-07-19 17:25:59,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:25:59,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:25:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:59,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-19 17:25:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 17:25:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:59,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-19 17:25:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:59,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:25:59,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:25:59,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618100695] [2022-07-19 17:25:59,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618100695] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:25:59,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:25:59,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 17:25:59,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071123735] [2022-07-19 17:25:59,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:25:59,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 17:25:59,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:25:59,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 17:25:59,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 17:25:59,895 INFO L87 Difference]: Start difference. First operand 162 states and 204 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:25:59,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:25:59,993 INFO L93 Difference]: Finished difference Result 343 states and 432 transitions. [2022-07-19 17:25:59,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:25:59,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2022-07-19 17:25:59,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:00,002 INFO L225 Difference]: With dead ends: 343 [2022-07-19 17:26:00,002 INFO L226 Difference]: Without dead ends: 189 [2022-07-19 17:26:00,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:26:00,012 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 90 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:00,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 276 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:26:00,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-07-19 17:26:00,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 185. [2022-07-19 17:26:00,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 141 states have (on average 1.2553191489361701) internal successors, (177), 151 states have internal predecessors, (177), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (30), 24 states have call predecessors, (30), 23 states have call successors, (30) [2022-07-19 17:26:00,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 230 transitions. [2022-07-19 17:26:00,032 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 230 transitions. Word has length 55 [2022-07-19 17:26:00,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:00,033 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 230 transitions. [2022-07-19 17:26:00,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:26:00,033 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 230 transitions. [2022-07-19 17:26:00,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-19 17:26:00,035 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:00,035 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:00,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 17:26:00,036 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:00,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:00,036 INFO L85 PathProgramCache]: Analyzing trace with hash 68722199, now seen corresponding path program 1 times [2022-07-19 17:26:00,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:00,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296635715] [2022-07-19 17:26:00,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:00,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:26:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:26:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 17:26:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:00,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:00,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296635715] [2022-07-19 17:26:00,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296635715] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:00,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:00,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:26:00,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110515748] [2022-07-19 17:26:00,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:00,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:26:00,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:00,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:26:00,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:26:00,109 INFO L87 Difference]: Start difference. First operand 185 states and 230 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:26:00,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:00,361 INFO L93 Difference]: Finished difference Result 528 states and 687 transitions. [2022-07-19 17:26:00,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 17:26:00,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-07-19 17:26:00,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:00,367 INFO L225 Difference]: With dead ends: 528 [2022-07-19 17:26:00,367 INFO L226 Difference]: Without dead ends: 351 [2022-07-19 17:26:00,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:26:00,373 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 172 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:00,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 416 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:26:00,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-07-19 17:26:00,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 320. [2022-07-19 17:26:00,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 245 states have (on average 1.2448979591836735) internal successors, (305), 259 states have internal predecessors, (305), 41 states have call successors, (41), 32 states have call predecessors, (41), 33 states have return successors, (55), 40 states have call predecessors, (55), 41 states have call successors, (55) [2022-07-19 17:26:00,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 401 transitions. [2022-07-19 17:26:00,407 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 401 transitions. Word has length 52 [2022-07-19 17:26:00,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:00,407 INFO L495 AbstractCegarLoop]: Abstraction has 320 states and 401 transitions. [2022-07-19 17:26:00,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:26:00,407 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 401 transitions. [2022-07-19 17:26:00,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-19 17:26:00,410 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:00,410 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:00,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 17:26:00,410 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:00,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:00,411 INFO L85 PathProgramCache]: Analyzing trace with hash -353979627, now seen corresponding path program 1 times [2022-07-19 17:26:00,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:00,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369231914] [2022-07-19 17:26:00,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:00,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:26:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:26:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 17:26:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:00,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:00,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369231914] [2022-07-19 17:26:00,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369231914] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:00,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:00,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:26:00,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230122774] [2022-07-19 17:26:00,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:00,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:26:00,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:00,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:26:00,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:26:00,481 INFO L87 Difference]: Start difference. First operand 320 states and 401 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:26:00,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:00,629 INFO L93 Difference]: Finished difference Result 646 states and 820 transitions. [2022-07-19 17:26:00,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:26:00,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-07-19 17:26:00,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:00,633 INFO L225 Difference]: With dead ends: 646 [2022-07-19 17:26:00,634 INFO L226 Difference]: Without dead ends: 334 [2022-07-19 17:26:00,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:26:00,639 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 65 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:00,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 390 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:26:00,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2022-07-19 17:26:00,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 326. [2022-07-19 17:26:00,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 251 states have (on average 1.2390438247011952) internal successors, (311), 265 states have internal predecessors, (311), 41 states have call successors, (41), 32 states have call predecessors, (41), 33 states have return successors, (55), 40 states have call predecessors, (55), 41 states have call successors, (55) [2022-07-19 17:26:00,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 407 transitions. [2022-07-19 17:26:00,668 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 407 transitions. Word has length 52 [2022-07-19 17:26:00,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:00,669 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 407 transitions. [2022-07-19 17:26:00,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:26:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 407 transitions. [2022-07-19 17:26:00,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-19 17:26:00,675 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:00,676 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:00,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 17:26:00,676 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:00,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:00,677 INFO L85 PathProgramCache]: Analyzing trace with hash -2042923369, now seen corresponding path program 1 times [2022-07-19 17:26:00,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:00,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914290365] [2022-07-19 17:26:00,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:00,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:26:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:26:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 17:26:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:00,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:00,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914290365] [2022-07-19 17:26:00,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914290365] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:00,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:00,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:26:00,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801670487] [2022-07-19 17:26:00,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:00,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:26:00,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:00,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:26:00,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:26:00,753 INFO L87 Difference]: Start difference. First operand 326 states and 407 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:26:00,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:00,850 INFO L93 Difference]: Finished difference Result 601 states and 757 transitions. [2022-07-19 17:26:00,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:26:00,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-07-19 17:26:00,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:00,853 INFO L225 Difference]: With dead ends: 601 [2022-07-19 17:26:00,853 INFO L226 Difference]: Without dead ends: 283 [2022-07-19 17:26:00,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:26:00,855 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 66 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:00,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 299 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:26:00,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2022-07-19 17:26:00,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 278. [2022-07-19 17:26:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 214 states have (on average 1.219626168224299) internal successors, (261), 226 states have internal predecessors, (261), 35 states have call successors, (35), 27 states have call predecessors, (35), 28 states have return successors, (42), 34 states have call predecessors, (42), 35 states have call successors, (42) [2022-07-19 17:26:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 338 transitions. [2022-07-19 17:26:00,870 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 338 transitions. Word has length 52 [2022-07-19 17:26:00,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:00,870 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 338 transitions. [2022-07-19 17:26:00,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:26:00,871 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 338 transitions. [2022-07-19 17:26:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-19 17:26:00,872 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:00,872 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:00,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 17:26:00,872 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:00,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:00,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1510613325, now seen corresponding path program 1 times [2022-07-19 17:26:00,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:00,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734953701] [2022-07-19 17:26:00,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:00,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:26:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 17:26:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:26:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-19 17:26:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:00,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:00,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:00,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734953701] [2022-07-19 17:26:00,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734953701] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:00,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:00,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 17:26:00,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708467714] [2022-07-19 17:26:00,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:00,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 17:26:00,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:00,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 17:26:00,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:26:00,978 INFO L87 Difference]: Start difference. First operand 278 states and 338 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-19 17:26:01,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:01,715 INFO L93 Difference]: Finished difference Result 842 states and 1077 transitions. [2022-07-19 17:26:01,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-19 17:26:01,716 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-07-19 17:26:01,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:01,719 INFO L225 Difference]: With dead ends: 842 [2022-07-19 17:26:01,719 INFO L226 Difference]: Without dead ends: 660 [2022-07-19 17:26:01,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2022-07-19 17:26:01,721 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 569 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:01,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 661 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 17:26:01,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2022-07-19 17:26:01,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 590. [2022-07-19 17:26:01,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 450 states have (on average 1.2066666666666668) internal successors, (543), 480 states have internal predecessors, (543), 75 states have call successors, (75), 57 states have call predecessors, (75), 64 states have return successors, (108), 73 states have call predecessors, (108), 75 states have call successors, (108) [2022-07-19 17:26:01,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 726 transitions. [2022-07-19 17:26:01,758 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 726 transitions. Word has length 56 [2022-07-19 17:26:01,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:01,759 INFO L495 AbstractCegarLoop]: Abstraction has 590 states and 726 transitions. [2022-07-19 17:26:01,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-19 17:26:01,759 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 726 transitions. [2022-07-19 17:26:01,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-19 17:26:01,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:01,761 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:01,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 17:26:01,761 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:01,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:01,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1787594627, now seen corresponding path program 1 times [2022-07-19 17:26:01,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:01,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816074824] [2022-07-19 17:26:01,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:01,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:01,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:26:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 17:26:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:01,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:01,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 17:26:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:01,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 17:26:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:01,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 17:26:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:01,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:01,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 17:26:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:01,897 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-19 17:26:01,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:01,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816074824] [2022-07-19 17:26:01,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816074824] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:26:01,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440445101] [2022-07-19 17:26:01,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:01,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:26:01,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:26:01,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:26:01,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 17:26:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:02,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-19 17:26:02,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:26:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:26:02,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 17:26:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-19 17:26:02,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440445101] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 17:26:02,371 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 17:26:02,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2022-07-19 17:26:02,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553745920] [2022-07-19 17:26:02,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 17:26:02,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-19 17:26:02,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:02,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-19 17:26:02,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-07-19 17:26:02,374 INFO L87 Difference]: Start difference. First operand 590 states and 726 transitions. Second operand has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-07-19 17:26:03,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:03,272 INFO L93 Difference]: Finished difference Result 1300 states and 1653 transitions. [2022-07-19 17:26:03,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-07-19 17:26:03,273 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 96 [2022-07-19 17:26:03,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:03,274 INFO L225 Difference]: With dead ends: 1300 [2022-07-19 17:26:03,274 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 17:26:03,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=301, Invalid=1421, Unknown=0, NotChecked=0, Total=1722 [2022-07-19 17:26:03,279 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 376 mSDsluCounter, 1119 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:03,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1341 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 17:26:03,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 17:26:03,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 17:26:03,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 17:26:03,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 17:26:03,281 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2022-07-19 17:26:03,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:03,282 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 17:26:03,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-07-19 17:26:03,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 17:26:03,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 17:26:03,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:26:03,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 17:26:03,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-19 17:26:03,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 17:26:07,262 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 160 167) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-19 17:26:07,263 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 160 167) no Hoare annotation was computed. [2022-07-19 17:26:07,263 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 160 167) no Hoare annotation was computed. [2022-07-19 17:26:07,263 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2022-07-19 17:26:07,263 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2022-07-19 17:26:07,263 INFO L899 garLoopResultBuilder]: For program point L930-1(lines 926 937) no Hoare annotation was computed. [2022-07-19 17:26:07,267 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 926 937) the Hoare annotation is: true [2022-07-19 17:26:07,267 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 926 937) no Hoare annotation was computed. [2022-07-19 17:26:07,267 INFO L899 garLoopResultBuilder]: For program point L768(line 768) no Hoare annotation was computed. [2022-07-19 17:26:07,268 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2022-07-19 17:26:07,268 INFO L902 garLoopResultBuilder]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2022-07-19 17:26:07,268 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2022-07-19 17:26:07,268 INFO L902 garLoopResultBuilder]: At program point L763(line 763) the Hoare annotation is: true [2022-07-19 17:26:07,268 INFO L899 garLoopResultBuilder]: For program point L763-1(line 763) no Hoare annotation was computed. [2022-07-19 17:26:07,269 INFO L902 garLoopResultBuilder]: At program point L782(lines 757 786) the Hoare annotation is: true [2022-07-19 17:26:07,269 INFO L899 garLoopResultBuilder]: For program point L778(line 778) no Hoare annotation was computed. [2022-07-19 17:26:07,269 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 775) no Hoare annotation was computed. [2022-07-19 17:26:07,269 INFO L902 garLoopResultBuilder]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2022-07-19 17:26:07,270 INFO L895 garLoopResultBuilder]: At program point L861(lines 856 863) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 .cse2 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse2 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-19 17:26:07,270 INFO L895 garLoopResultBuilder]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2) (or .cse3 .cse4 .cse2 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 .cse2 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-19 17:26:07,270 INFO L899 garLoopResultBuilder]: For program point L721-1(line 721) no Hoare annotation was computed. [2022-07-19 17:26:07,271 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2022-07-19 17:26:07,271 INFO L899 garLoopResultBuilder]: For program point L73-2(lines 69 91) no Hoare annotation was computed. [2022-07-19 17:26:07,271 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2022-07-19 17:26:07,271 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 92) no Hoare annotation was computed. [2022-07-19 17:26:07,271 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2022-07-19 17:26:07,271 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 748) no Hoare annotation was computed. [2022-07-19 17:26:07,271 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 751) no Hoare annotation was computed. [2022-07-19 17:26:07,272 INFO L895 garLoopResultBuilder]: At program point L734-1(lines 726 754) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not .cse5))) (and (let ((.cse2 (<= ~waterLevel~0 2))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse2 .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (or .cse8 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse9) (and .cse1 .cse9 .cse4) .cse5 .cse6) (or (and (<= |timeShift_getWaterLevel_#res#1| 2) (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse8 .cse6 .cse10) (let ((.cse11 (= ~waterLevel~0 1))) (or (and .cse1 .cse11 .cse3 .cse4) .cse0 (and .cse7 .cse11 .cse3) .cse5 .cse6 .cse10)) (or .cse8 (and .cse1 .cse9) .cse6 .cse4)))) [2022-07-19 17:26:07,272 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2022-07-19 17:26:07,272 INFO L895 garLoopResultBuilder]: At program point L723(lines 716 725) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse4) .cse3)))) [2022-07-19 17:26:07,272 INFO L895 garLoopResultBuilder]: At program point L975(lines 970 978) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2 (not .cse3)) .cse4)) (let ((.cse6 (<= ~waterLevel~0 2))) (or .cse5 (and .cse1 .cse6 .cse7) .cse3 .cse4 (and .cse8 .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse5 (and .cse8 .cse9 .cse7) .cse3 .cse4 .cse10 (and .cse1 .cse9 .cse7))) (or .cse0 .cse4 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse10))) [2022-07-19 17:26:07,273 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-19 17:26:07,273 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-19 17:26:07,273 INFO L895 garLoopResultBuilder]: At program point L736(line 736) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 0 ~systemActive~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (let ((.cse5 (<= ~waterLevel~0 2))) (or .cse3 (and .cse4 .cse5 .cse6) .cse7 .cse1 (and .cse8 .cse5 .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse3 (and .cse8 .cse9 .cse6) .cse7 .cse1 .cse2 (and .cse4 .cse9 .cse6))) (or .cse0 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-07-19 17:26:07,273 INFO L899 garLoopResultBuilder]: For program point L736-1(line 736) no Hoare annotation was computed. [2022-07-19 17:26:07,273 INFO L899 garLoopResultBuilder]: For program point L860(line 860) no Hoare annotation was computed. [2022-07-19 17:26:07,274 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not .cse2)) (or .cse3 .cse2 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse2 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-07-19 17:26:07,274 INFO L895 garLoopResultBuilder]: At program point L146-1(lines 127 151) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 (not .cse2)) (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse4) .cse1)) (let ((.cse6 (<= ~waterLevel~0 2))) (or .cse5 (and .cse3 .cse6 .cse7) .cse2 .cse1 (and .cse8 .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse5 (and .cse8 .cse9 .cse7) .cse2 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (and .cse3 .cse9 .cse7))))) [2022-07-19 17:26:07,274 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 66 92) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2) (or .cse3 .cse4 .cse2 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 .cse2 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-19 17:26:07,274 INFO L895 garLoopResultBuilder]: At program point L943(lines 938 946) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-19 17:26:07,275 INFO L895 garLoopResultBuilder]: At program point L175(lines 168 178) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-19 17:26:07,275 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 80 86) no Hoare annotation was computed. [2022-07-19 17:26:07,275 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2022-07-19 17:26:07,275 INFO L899 garLoopResultBuilder]: For program point L906(lines 906 910) no Hoare annotation was computed. [2022-07-19 17:26:07,275 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2022-07-19 17:26:07,275 INFO L895 garLoopResultBuilder]: At program point L906-2(lines 902 913) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-19 17:26:07,276 INFO L902 garLoopResultBuilder]: At program point L333(lines 270 337) the Hoare annotation is: true [2022-07-19 17:26:07,276 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 306) no Hoare annotation was computed. [2022-07-19 17:26:07,276 INFO L899 garLoopResultBuilder]: For program point L300-1(lines 300 306) no Hoare annotation was computed. [2022-07-19 17:26:07,276 INFO L895 garLoopResultBuilder]: At program point L713(lines 708 715) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:26:07,276 INFO L895 garLoopResultBuilder]: At program point L263(lines 258 265) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-07-19 17:26:07,277 INFO L895 garLoopResultBuilder]: At program point L292(line 292) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-07-19 17:26:07,277 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 17:26:07,277 INFO L895 garLoopResultBuilder]: At program point L895(lines 890 898) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:26:07,277 INFO L895 garLoopResultBuilder]: At program point L255(lines 243 257) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) [2022-07-19 17:26:07,277 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 17:26:07,277 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 17:26:07,277 INFO L895 garLoopResultBuilder]: At program point L887(lines 883 889) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:26:07,278 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2022-07-19 17:26:07,278 INFO L899 garLoopResultBuilder]: For program point L247-1(lines 247 253) no Hoare annotation was computed. [2022-07-19 17:26:07,278 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 849) no Hoare annotation was computed. [2022-07-19 17:26:07,278 INFO L895 garLoopResultBuilder]: At program point L330(lines 279 331) the Hoare annotation is: false [2022-07-19 17:26:07,278 INFO L899 garLoopResultBuilder]: For program point L842-2(lines 842 849) no Hoare annotation was computed. [2022-07-19 17:26:07,278 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 17:26:07,279 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 324) no Hoare annotation was computed. [2022-07-19 17:26:07,279 INFO L895 garLoopResultBuilder]: At program point L318-2(lines 310 325) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-07-19 17:26:07,279 INFO L902 garLoopResultBuilder]: At program point L826(lines 818 828) the Hoare annotation is: true [2022-07-19 17:26:07,279 INFO L899 garLoopResultBuilder]: For program point L281(lines 280 329) no Hoare annotation was computed. [2022-07-19 17:26:07,279 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 325) no Hoare annotation was computed. [2022-07-19 17:26:07,279 INFO L902 garLoopResultBuilder]: At program point L851(lines 832 854) the Hoare annotation is: true [2022-07-19 17:26:07,279 INFO L895 garLoopResultBuilder]: At program point L880(lines 876 882) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:26:07,280 INFO L895 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-07-19 17:26:07,280 INFO L895 garLoopResultBuilder]: At program point L327(lines 280 329) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-07-19 17:26:07,280 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 296) no Hoare annotation was computed. [2022-07-19 17:26:07,280 INFO L899 garLoopResultBuilder]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2022-07-19 17:26:07,280 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2022-07-19 17:26:07,280 INFO L895 garLoopResultBuilder]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-07-19 17:26:07,281 INFO L895 garLoopResultBuilder]: At program point L815(lines 811 817) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:26:07,281 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 101 125) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2022-07-19 17:26:07,281 INFO L895 garLoopResultBuilder]: At program point L157(lines 152 159) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse0 .cse1))) [2022-07-19 17:26:07,281 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-19 17:26:07,281 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 989) no Hoare annotation was computed. [2022-07-19 17:26:07,281 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2022-07-19 17:26:07,282 INFO L895 garLoopResultBuilder]: At program point L988(lines 979 992) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse2 (not .cse3) .cse0 .cse1 .cse4) (or .cse2 (and .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) .cse0 .cse1 .cse4)))) [2022-07-19 17:26:07,282 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2022-07-19 17:26:07,282 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 1)) (not (= ~waterLevel~0 1)) .cse2 .cse1) (or .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) .cse0 .cse1))) [2022-07-19 17:26:07,282 INFO L895 garLoopResultBuilder]: At program point L239(lines 224 242) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse2 (<= 2 ~waterLevel~0)) (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 1)) .cse0 .cse1)))) [2022-07-19 17:26:07,282 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2022-07-19 17:26:07,282 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2022-07-19 17:26:07,283 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 237) no Hoare annotation was computed. [2022-07-19 17:26:07,283 INFO L899 garLoopResultBuilder]: For program point L233-2(lines 233 237) no Hoare annotation was computed. [2022-07-19 17:26:07,283 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 914 925) no Hoare annotation was computed. [2022-07-19 17:26:07,283 INFO L899 garLoopResultBuilder]: For program point L918-1(lines 914 925) no Hoare annotation was computed. [2022-07-19 17:26:07,283 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 914 925) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= ~pumpRunning~0 0)) .cse1 .cse3))) [2022-07-19 17:26:07,283 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 179 187) no Hoare annotation was computed. [2022-07-19 17:26:07,284 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 179 187) the Hoare annotation is: true [2022-07-19 17:26:07,284 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 179 187) no Hoare annotation was computed. [2022-07-19 17:26:07,286 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:07,288 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:26:07,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:26:07 BoogieIcfgContainer [2022-07-19 17:26:07,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:26:07,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:26:07,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:26:07,325 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:26:07,326 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:25:58" (3/4) ... [2022-07-19 17:26:07,341 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 17:26:07,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-19 17:26:07,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-19 17:26:07,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-19 17:26:07,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-19 17:26:07,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-19 17:26:07,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:26:07,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-19 17:26:07,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-19 17:26:07,360 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-19 17:26:07,361 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-19 17:26:07,361 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 17:26:07,362 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 17:26:07,362 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 17:26:07,362 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:26:07,363 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:26:07,384 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-19 17:26:07,385 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-19 17:26:07,385 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-19 17:26:07,385 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) [2022-07-19 17:26:07,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2022-07-19 17:26:07,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-19 17:26:07,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) [2022-07-19 17:26:07,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((\result <= 2 && 1 < tmp) && tmp <= 2) && 2 <= \result) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) [2022-07-19 17:26:07,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2022-07-19 17:26:07,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-19 17:26:07,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive [2022-07-19 17:26:07,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2)) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel))) [2022-07-19 17:26:07,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-19 17:26:07,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-19 17:26:07,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(waterLevel <= 2)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0)) [2022-07-19 17:26:07,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == \old(pumpRunning) && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && \result == 0) && tmp___0 == 0) && \result == 1) && tmp == 1)) || !(waterLevel <= 2)) || 0 == systemActive) [2022-07-19 17:26:07,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) [2022-07-19 17:26:07,411 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:26:07,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:26:07,412 INFO L158 Benchmark]: Toolchain (without parser) took 9800.14ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 59.5MB in the beginning and 53.3MB in the end (delta: 6.2MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2022-07-19 17:26:07,412 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:26:07,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.62ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 59.2MB in the beginning and 64.1MB in the end (delta: -4.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-19 17:26:07,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.81ms. Allocated memory is still 100.7MB. Free memory was 64.1MB in the beginning and 61.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:26:07,413 INFO L158 Benchmark]: Boogie Preprocessor took 26.97ms. Allocated memory is still 100.7MB. Free memory was 61.6MB in the beginning and 59.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:26:07,414 INFO L158 Benchmark]: RCFGBuilder took 481.57ms. Allocated memory is still 100.7MB. Free memory was 59.9MB in the beginning and 71.4MB in the end (delta: -11.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-07-19 17:26:07,414 INFO L158 Benchmark]: TraceAbstraction took 8757.17ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 70.5MB in the beginning and 59.6MB in the end (delta: 11.0MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2022-07-19 17:26:07,415 INFO L158 Benchmark]: Witness Printer took 86.60ms. Allocated memory is still 146.8MB. Free memory was 58.5MB in the beginning and 53.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 17:26:07,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.62ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 59.2MB in the beginning and 64.1MB in the end (delta: -4.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.81ms. Allocated memory is still 100.7MB. Free memory was 64.1MB in the beginning and 61.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.97ms. Allocated memory is still 100.7MB. Free memory was 61.6MB in the beginning and 59.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.57ms. Allocated memory is still 100.7MB. Free memory was 59.9MB in the beginning and 71.4MB in the end (delta: -11.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8757.17ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 70.5MB in the beginning and 59.6MB in the end (delta: 11.0MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. * Witness Printer took 86.60ms. Allocated memory is still 146.8MB. Free memory was 58.5MB in the beginning and 53.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 860]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 98 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1602 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1568 mSDsluCounter, 4523 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3263 mSDsCounter, 504 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2073 IncrementalHoareTripleChecker+Invalid, 2577 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 504 mSolverCounterUnsat, 1260 mSDtfsCounter, 2073 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 401 GetRequests, 286 SyntacticMatches, 2 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=590occurred in iteration=9, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 131 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 1425 PreInvPairs, 1739 NumberOfFragments, 1969 HoareAnnotationTreeSize, 1425 FomulaSimplifications, 2139 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 46 FomulaSimplificationsInter, 12013 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 603 NumberOfCodeBlocks, 603 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 687 ConstructedInterpolants, 0 QuantifiedInterpolants, 1333 SizeOfPredicates, 3 NumberOfNonLiveVariables, 472 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 103/129 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2)) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: ((((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(waterLevel <= 2)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0)) - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: ((((((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((\result <= 2 && 1 < tmp) && tmp <= 2) && 2 <= \result) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == \old(pumpRunning) && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && \result == 0) && tmp___0 == 0) && \result == 1) && tmp == 1)) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-07-19 17:26:07,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE